Ответ:
1) 2KBr =2 K +Br2
Br2 + H2 = 2HBr
HBr +AgNO3 = AgBr + HNO3
2)2 NaBr + PbCl2 = 2NaCL+ PbBr2
2NaCl = 2Na + Cl2
Cl2 +2NaI = 2NaCl + I2
I2 + H2 = 2HI
HI + AgNO3 = AgI + HNO3
Ответ:
1) 2KBr =2 K +Br2
Br2 + H2 = 2HBr
HBr +AgNO3 = AgBr + HNO3
2)2 NaBr + PbCl2 = 2NaCL+ PbBr2
2NaCl = 2Na + Cl2
Cl2 +2NaI = 2NaCl + I2
I2 + H2 = 2HI
HI + AgNO3 = AgI + HNO3